Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/yrdsb11w3creativ/public_html/yrdsb/vendor/symfony/config/Tests/Definition/MergeTest.php:17
Stack trace:
#0 {main}
thrown in /home/yrdsb11w3creativ/public_html/yrdsb/vendor/symfony/config/Tests/Definition/MergeTest.php on line 17